Recent questions tagged waves

Description : Sentence examples for the word ''wave''?

Last Answer : Well, you will have to figure it out yourself. I am not inclined to do your homework for you.

Description : Why doesn't the moon make waves on rivers and smaller lakes?

Last Answer : answer:Some lakes do have waves, especially larger ones, which leads me to suspect that it has to do with a fundamental property of how gravity works: larger bodies have larger gravitational forces acting on ... waves, would be much stronger as the body of water grew larger. That's my best guess.

Description : State properties of ultrasonic waves.

Last Answer : i) Frequency of these sound waves is more than 20kHz ii) Shorter wavelength iii) They carry high amount of sound energy iv) The speed of propagation of ultrasonic waves increases with increase in ... . x) Posses certain vibrations which are used as good massage action in case of muscular pain. 

Description : Which waves are demodulated by Costas loop? A) VSB B) SSB C) MSK D) DSBSC 

Last Answer : Which waves are demodulated by Costas loop? A) VSB B) SSB C) MSK D) DSBSC 

Description : What is the frequency range of VHF electromagnetic waves? A) 30-300 kHz B) 30-3000 kHz C) 30-300 MHz D) 30-3000 MHz

Last Answer : What is the frequency range of VHF electromagnetic waves? A) 30-300 kHz B) 30-3000 kHz C) 30-300 MHz D) 30-3000 MHz

Description : Wave trap is used to trap waves of:  (A) Power frequencies (B) Higher frequencies entering generator or transformer units (C) All of the above (D) None of the above

Last Answer : Wave trap is used to trap waves of: Higher frequencies entering generator or transformer units

Description : Two waves have frequency of 500 Hz. One is set at its maximum value whereas the other at zero. The phase angle between them will be

Last Answer : Two waves have frequency of 500 Hz. One is set at its maximum value whereas the other at zero. The phase angle between them will be 90o

Description : Two waves of the same frequency have opposite phase when the phase angle between them is?

Last Answer : Two waves of the same frequency have opposite phase when the phase angle between them is 180°.